Plane and Solid GeometryAmerican Book Company, 1907 - 412 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 28.
Σελίδα 14
... included by its sides . An angle is bisected by a line drawn through the vertex and dividing the angle into two equal angles . TRIANGLES 23. A triangle is a portion of a plane bounded by three straight lines . These lines are the sides ...
... included by its sides . An angle is bisected by a line drawn through the vertex and dividing the angle into two equal angles . TRIANGLES 23. A triangle is a portion of a plane bounded by three straight lines . These lines are the sides ...
Σελίδα 20
... included angle of the other . C A BR S Given : ABC and RST ; AB = RS ; AC RT ; △ A = Z R. To Prove : △ ABC : = ARST . △ Proof : Place the △ ABC upon the △ RST so that △ △ co- incides with its equal , R ; then AB will fall upon RS ...
... included angle of the other . C A BR S Given : ABC and RST ; AB = RS ; AC RT ; △ A = Z R. To Prove : △ ABC : = ARST . △ Proof : Place the △ ABC upon the △ RST so that △ △ co- incides with its equal , R ; then AB will fall upon RS ...
Σελίδα 24
... included of one are = respectively to two sides and the included of the other . ) Hence , ≤ B = ≤ C. ( Homologous parts of equal figures are equal . ) Q.E.D. Two triangles are equal if the three sides of one are equal respectively to ...
... included of one are = respectively to two sides and the included of the other . ) Hence , ≤ B = ≤ C. ( Homologous parts of equal figures are equal . ) Q.E.D. Two triangles are equal if the three sides of one are equal respectively to ...
Σελίδα 34
... included angle in the first greater than the included angle in the second , the third side of the first is greater than the third side of the second . A F Given : A ABC , DEF ; AB = DE ; BC = EF ; △ ABC > △ E. To Prove : AC > DF ...
... included angle in the first greater than the included angle in the second , the third side of the first is greater than the third side of the second . A F Given : A ABC , DEF ; AB = DE ; BC = EF ; △ ABC > △ E. To Prove : AC > DF ...
Σελίδα 35
... included angle of the first is greater than the included angle of the second . [ Converse . ] R Given : A ABC and RST ; AB = RS ; BC = ST ; AC > RT . To Prove : < B > 28 . Proof : It is evident that B < s , or Z B = ZS , or < B > LS . 1 ...
... included angle of the first is greater than the included angle of the second . [ Converse . ] R Given : A ABC and RST ; AB = RS ; BC = ST ; AC > RT . To Prove : < B > 28 . Proof : It is evident that B < s , or Z B = ZS , or < B > LS . 1 ...
Άλλες εκδόσεις - Προβολή όλων
Plane and Solid Geometry (Classic Reprint) Edward Rutledge Robbins Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acute angle altitude angle adjoining angles are equal apothem base bisector bisects chord circular cone circumference circumscribed circumscribed circle construct a square cylinder diagonals diameter dihedral angles equilateral triangle equivalent exterior angle face angles figure Find the area frustum given line given point given triangle Hence homologous homologous sides hypotenuse inscribed regular intersecting isosceles triangle lateral area lateral edges line joining mean proportional measured by arc median meet midpoint mutually equiangular number of sides opposite parallel parallelepiped parallelogram Pass plane perimeter perpendicular plane MN polyhedron prism Proof Prove quadrilateral ratio rectangle regular hexagon regular polygon regular pyramid rhombus right angles right circular right triangle secant segments similar slant height sphere spherical polygon spherical triangle straight line surface tangent tetrahedron THEOREM total area trapezoid trihedral vertex vertices
Δημοφιλή αποσπάσματα
Σελίδα 139 - If the product of two quantities is equal to the product of two others, one pair may be made the extremes, and the other pair the means, of a proportion.
Σελίδα 228 - An equiangular polygon inscribed in a circle is regular (if the number of its sides is odd) . 3.
Σελίδα 41 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 47 - The line joining the mid-points of two sides of a triangle is parallel to the third side, and equal to half the third side.
Σελίδα 241 - The area of a regular inscribed hexagon is a mean proportional between the areas of the inscribed and circumscribed equilateral triangles. Ex.
Σελίδα 146 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.
Σελίδα 12 - The straight lines are called the sides of the triangle, and their points of intersection are the vertices of the triangle.
Σελίδα 143 - A line parallel to one side of a triangle divides the other two sides proportionally.
Σελίδα 268 - If from the foot of a perpendicular to a plane a line be drawn at right angles to any line of the plane, and...
Σελίδα 340 - The lateral area of a circular cylinder is equal to the product of the perimeter of a right section of the cylinder by an element. Let S denote the lateral area, P the perimeter of a right section, and E an element of the cylinder AC.